How to say “This is my friend's book.” in JapaneseIn Japaneseこれは友達(ともだち)の本(ほん)です。Kore wa tomodachi no hon desu.▶ Hear it in JapaneseLearn it in a lessonFamily in Japanese and saying whose something isThis is my friend's book. in other languagesWhat This is my friend's book. meansIn PortugueseIn French